Teleportation through dimensions?
Approximately 13.8 billion years ago, our universe was created (according to our calculations and our current knowledge of the universe) in an event known as the ‘Big Bang’ 💥 (Not the TV sitcom!!! 😐). But today, we’re not here to talk about how the universe was created but what it was created into 🤔. Let me explain🤓.
Have you ever wondered, what existed before the creation of the universe? Well…nothing! Absolutely nothing 🕳. How’s that any different from just space 🌌? There’s nothing there too right? Wrong ❌! You see, even in the absence of all material matter, there's still the existence of spatial dimensions ↘️. And crucially, when I say that before the Big Bang 💥 there was nothing, I mean not even dimensions you may be familiar with. The Big Bang involved the simultaneous creation of both space 🌌 and time ⏱ which means the universe itself must be expanding into a higher dimension! ⤴ ↝
Hold on, let's define a dimension first: Dimension is referred to as any measurable extent of a particular kind or the minimum number of coordinates needed to specify any point within it. Well, that was a mouthful 😲, wasn’t it? Let’s break that down.
Basically, a dimension is characterized by the amount of information ℹ️ you would need to pin down a particular point ➡️🟡 within that (or those) dimension(s). So on a line ↔️, you need just one coordinate value to exactly pin down a single point on it (let’s say this is the x coordinate). Similarly, you need two coordinates on a plane 📈 (x,y) and three in space 🏗 (x,y,z). But in our world along with this information, you also need to specify when to be at that point in space. You really wouldn’t wanna arrive at a theatre two hours after the climax of the movie, would you? You’d much rather specify the extra information of ‘t’ or time ⏱. Now you have four dimensions x,y,z, and t (already one more than what your textbook taught you).
You probably may have already noticed something odd about this 🤨, time is different from the other three dimensions. You can move back and forth through the rest of them but you can only move forward in time 🧐. This is because even dimensions have their own types! The movement along the x, y, and z axes is within what are known as ‘spatial’ dimensions ⤴️, and time is not one among them. In fact, during the process of creating new theories, physicists often stumble upon new dimensions of different types. Even the theory of relativity that we discussed last week requires the existence of 4 dimensions for the space-time continuum to exist. Some theories like string theory require a mind-boggling 11 dimensions to describe the universe 🤯🤯🤯! (Many of these higher dimensions are what are known as ‘curled dimensions’ which is just another type of dimension that can be observed at really really small scales). But you can’t possibly wrap your head around that many dimensions 🥴, but amazingly enough, you can describe it and understand it using math, lots and lots of math! 😲
Let’s say you are a flatlander and have never seen three dimensions 😀. If a sphere were to pass through your plane and boring world 🤨 (plane not plain, get it? 😂), you would only see a cross-section of it - a circle! Weirder still is that as the sphere crosses your plane of existence, you would first see a dot ·, which then grows into a circle ⚪️ until it reaches its largest size and then shrinks back into nothing! Bizarre isn’t it? 😮 Now, what if we did the same with the third and fourth dimensions? (I’m talking about an extra spatial dimension and not time!) You could imagine a 4D sphere passing through our world, growing from a dot, into a sphere, reaching a max size, and then disappearing into nothing while blowing our 3D minds! 🤯🤯🤯
Now picture this, you are a super cool creature 😎 of 4 spatial dimensions and 1 time dimension. You decide to boggle with our minds just a little, and step into our world 🚶♂️. To our shock, you literally just popped ✨ out of nowhere! To drive us even crazier 😧, you step back out of our three dimensions and enter back from a different point in our space 🤯. We would think you are teleporting from one place to the other✨! If only we knew the science behind the sorcery you are pulling off we’d be freaking out less! And there you have it - teleportation through dimensions! 🤩 (Good luck finding another spatial dimension lying around though. 😅)
Much of this blog describes phenomena described by math and not ones that can be observed directly. Basically, the math adds up (although you will certainly need to do more than just addition), but we currently have no means of observing all of this 😕. Just like the flatlander, we’re stuck in our dimensions 😩. But that doesn’t mean that all of this information is just imagination or a vague attempt at trying some sciencey magic 🧙♂️. Everything is first theorized, only then observed. Einstein theorized about black holes over a hundred years ago, and only recently have we observed one in real life! 🤓 We're far from understanding the universe as a whole, but these theories and math-backed imaginations will get us just a step closer to it. I’ll leave you with a little quote, “All of science is magic until someone figures out how it works!”
Here's a couple video links:
Here's an excellent demo and in-depth info on all of the above concepts:
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